org.apache.commons.collections4.set
Class UnmodifiableSortedSet<E>

java.lang.Object
  org.apache.commons.collections4.collection.AbstractCollectionDecorator<E>
      org.apache.commons.collections4.set.AbstractSetDecorator<E>
          org.apache.commons.collections4.set.AbstractSortedSetDecorator<E>
              org.apache.commons.collections4.set.UnmodifiableSortedSet<E>

All Implemented Interfaces:

Serializable, Iterable<E>, Collection<E>, Set<E>, SortedSet<E>, Unmodifiable

public final class UnmodifiableSortedSet<E>
extends AbstractSortedSetDecorator<E>
implements Unmodifiable, Serializable

Decorates another SortedSet to ensure it can't be altered.

This class is Serializable from Commons Collections 3.1.

Attempts to modify it will result in an UnsupportedOperationException.

Since:

3.0

Version:

$Id: UnmodifiableSortedSet.java 1494280 2013-06-18 20:07:04Z tn $

See Also:

Serialized Form

unmodifiableSortedSet

public static <E> SortedSet<E> unmodifiableSortedSet(SortedSet<E> set)

Factory method to create an unmodifiable set.

Type Parameters:

E - the element type

Parameters:

set - the set to decorate, must not be null

Returns:

a new unmodifiable SortedSet

Throws:

IllegalArgumentException - if set is null

Since:

4.0

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Iterable<E>

Specified by:

iterator in interface Collection<E>

Specified by:

iterator in interface Set<E>

Overrides:

iterator in class AbstractCollectionDecorator<E>

add

public boolean add(E object)

Specified by:

add in interface Collection<E>

Specified by:

add in interface Set<E>

Overrides:

add in class AbstractCollectionDecorator<E>

addAll

public boolean addAll(Collection<? extends E> coll)

Specified by:

addAll in interface Collection<E>

Specified by:

addAll in interface Set<E>

Overrides:

addAll in class AbstractCollectionDecorator<E>

clear

public void clear()

Specified by:

clear in interface Collection<E>

Specified by:

clear in interface Set<E>

Overrides:

clear in class AbstractCollectionDecorator<E>

remove

public boolean remove(Object object)

Specified by:

remove in interface Collection<E>

Specified by:

remove in interface Set<E>

Overrides:

remove in class AbstractCollectionDecorator<E>

removeAll

public boolean removeAll(Collection<?> coll)

Specified by:

removeAll in interface Collection<E>

Specified by:

removeAll in interface Set<E>

Overrides:

removeAll in class AbstractCollectionDecorator<E>

retainAll

public boolean retainAll(Collection<?> coll)

Specified by:

retainAll in interface Collection<E>

Specified by:

retainAll in interface Set<E>

Overrides:

retainAll in class AbstractCollectionDecorator<E>

subSet

public SortedSet<E> subSet(E fromElement,
                           E toElement)

Specified by:

subSet in interface SortedSet<E>

Overrides:

subSet in class AbstractSortedSetDecorator<E>

headSet

public SortedSet<E> headSet(E toElement)

Specified by:

headSet in interface SortedSet<E>

Overrides:

headSet in class AbstractSortedSetDecorator<E>

tailSet

public SortedSet<E> tailSet(E fromElement)

Specified by:

tailSet in interface SortedSet<E>

Overrides:

tailSet in class AbstractSortedSetDecorator<E>